1,和PHP手冊成為好朋友
2,打開Error Reporting
Error reporting 在 PHP 開發時是很有幫助的. 你可以在你代碼中發現先前你沒有發現的錯誤,因為並不是所有的BUG都會讓程序運行不了的。當產品正式使用時,才有必要關掉錯誤報告,不然顧客看到一堆奇怪的字符不知道那是什麼意思。
3,使用IDE
IDE (集成開發環境,Integrated Development Environments)對於開發者來說是很有幫助的工具.
荒野在這裡推薦netbeans IDE 。
4. 試著使用一個PHP 框架
5.學習DRY方法
DRY 代表 Don't Repeat Yourself,它是一個有價值的編程概念,不管是什麼語言。DRY編程,顧名思義,是確保你不寫多余的代碼。
6.使用空格縮進代碼來提高可讀性
7. “Tier” your Code
給你的應用程序分層,分成不同部位的不同組成部分的代碼。這使得您可以輕松地在未來改變你的代碼。 如常用的MVC模式。
8. 總是使用 <?php ?>
9.使用有意義的,一致的命名約定
10.注釋、注釋、注釋
11.安裝MAMP/WAMP
12.給你的腳本限制運行時間
通常PHP腳本的運行時間被限制為30秒,超過這個時間PHP將拋出一個致命錯誤。
13.使用OOP
14.知道雙引號和單引號的不同
15.不要在網站的根目錄放phpinfo()
16.永遠不要信任你的用戶
17.加密存儲密碼
Rebuttal:
Keep in mind, however, that MD5 hashes have long since been compromised. They're absolutely more secure than not, but, with the use of an enormous “rainbow table,” hackers can cross reference your hash. To add even more security, consider adding a salt as well. A salt is basically an additional set of characters that you append to the user's string.
18.使用可視化數據庫設計工具
如 DBDesigner 和 MySQL Workbench
19.使用輸出緩沖
Rebuttal: Though not required, it's generally considered to be a good practice to go ahead and append the “ob_end_flush();” function as well to the bottom of the document. P.S. Want to compress the HTML as well? Simply replace “ob_start();” with “ob_start(‘ob_gzhandler')”;
Refer to this Dev-tips article for more information.
復制代碼 代碼如下:
<!DOCTYPE html>
<?php ob_start('ob_gzhandler'); ?>
<html lang="en">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>untitled</title>
</head>
<body>
</body>
</html>
<?php ob_end_flush(); ?>
20.保護你的代碼避免SQL注射
復制代碼 代碼如下:
$username = mysql_real_escape_string( $GET['username'] );
$id = $_GET['id'];
$statement = $connection->prepare( "SELECT * FROM tbl_members WHERE id = ?" );
$statement->bind_param( "i", $id );
$statement->execute();
By using prepared statements, we never embed the user's inputted data directly into our query. Instead, we use the “bind_param” method to bind the values (and escaping) to the query. Much safer, and, notably, faster when executing multiple CRUD statements at once.
21.嘗試ORM (object relational mapping)
ORM libraries for PHP like Propel, and ORM is built into PHP frameworks like CakePHP.
22.緩存數據庫驅動頁面
如:
復制代碼 代碼如下:
// TOP of your script
$cachefile = 'cache/'.basename($_SERVER['SCRIPT_URI']);
$cachetime = 120 * 60; // 2 hours
// Serve from the cache if it is younger than $cachetime
if (file_exists($cachefile) && (time() - $cachetime < filemtime($cachefile))) {
include($cachefile);
echo "<!-- Cached ".date('jS F Y H:i', filemtime($cachefile))." -->";
exit;
}
ob_start(); // start the output buffer
// Your normal PHP script and HTML content here
// BOTTOM of your script
$fp = fopen($cachefile, 'w'); // open the cache file for writing
fwrite($fp, ob_get_contents()); // save the contents of output buffer to the file
fclose($fp); // close the file
ob_end_flush(); // Send the output to the browser
23.使用緩存系統